support for ac3-in-mp4 muxing following ETSI TS 102 366

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#38 support for ac3-in-mp4 muxing following ETSI TS 102 366

Status: closed

Owner: nobody

Labels: None

Priority: 5

Updated: 2008-10-24

Created: 2008-08-23

Creator: bond

Private: No

ETSI has included in the latest update of the ac3 specs (TS 102 366 V1.2.1 Annex F) a spec storing ac3 in mp4:
http://webapp.etsi.org/WorkProgram/Report_WorkItem.asp?WKI_ID=28541

the spec is freely available

can you please consider adding muxing support for ac3 to mp4 following those specs to mp4box?

thanks

Discussion

Jean Le Feuvre - 2008-10-24

status: open --> closed
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Jean Le Feuvre - 2008-10-24

AC3 support is now available on CVS.

MP4Box
* Enhanced AC3 is NOT supported
* AC3 mux/demux from RAW AC3 only
* RTP hinting is not done yet

CLients
* playback should be supported through ffmpeg (not tested yet)

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Kurtnoise - 2008-10-24

doesn't work properly for me...there is something wrong with dataLength.

A typo also : "Importing AC3" instead of "Inporting AAC"...;-)

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Kurtnoise - 2008-11-23

Here is a patch for what I meant...http://pastebin.com/f7e2753d

>> if (done > tot_size) break;
without this tweak, we gets into an infinite loop...

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